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Finding the Fourth Proportional to 605,385.95, 835,438.19 and 333,454.77

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Solution

The fourth proportional to 605,385.95, 835,438.19 and 333,454.77 is: 460,170.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,385.95 : 835,438.19 = 333,454.77 : x
  2. Step 2: Convert to fraction form
    605,385.95/835,438.19 = 333,454.77/x
  3. Step 3: Cross multiply
    605,385.95x = 835,438.19 × 333,454.77
  4. Step 4: Simplify right side
    605,385.95x = 278,580,847,828.39
  5. Step 5: Solve for x
    x = 278,580,847,828.39/605,385.95
  6. Step 6: Final answer
    x = 460,170.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.